(August 3, 2018, 1:00 PM EDT) -- PRESCOTT, Ariz. — The Federal Trade Commission sued four related car dealerships July 31 in Arizona federal court, accusing them of targeting members of the Navajo Nation for deceptive sales practices that included lying about customers’ income to obtain vehicle financing (Federal Trade Commission v. Tate’s Auto Center Of Winslow, Inc., et al., No. 3:18-cv-08176, D. Ariz.)....